#400E55#400E55

#400E55 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.0% C 0.123 H 313.4°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#400E55
RGB	rgb(64, 14, 85)
HSL	hsl(282, 72%, 19%)
HSV	hsv(282, 84%, 33%)
CMYK	cmyk(24.7%, 83.5%, 0%, 66.7%)
CIE-LAB	lab(15.80, 35.55, -31.59)
CIE-LCH	lch(15.80, 47.56, 318.37°)
OKLab	oklab(29.01% 0.0844 -0.0893)
OKLCH	oklch(29.01% 0.123 313.4)
XYZ	xyz(3.9108, 2.0601, 8.7842)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.20

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400E55 #23550E

analogous

#1D0E55 #400E55 #550E47

triadic

#400E55 #55400E #0E5540

tetradic

#400E55 #551D0E #23550E #0E4755

square

#400E55 #551D0E #23550E #0E4755

split-complementary

#400E55 #47550E #0E551D

monochromatic

#14041A #180520 #400E55 #68178A #8F1FBE

Accessibility & contrast

On white

14.87

#400E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#400E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400E55

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400E55	#FFFFFF	#000000	##FFFFFF
##400E55	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002557

Deuteranopia (green-blind)

#062854

Tritanopia (blue-blind)

#3E1F31

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #400e55;
/* rgb */ color: rgb(64, 14, 85);
/* oklch */ color: oklch(29.0% 0.123 313.4);

Tailwind

colors: {
  custom: {
    50: '#785385',
    500: '#400e55',
    950: '#000000',
  },
}

SCSS

$custom: #400e55;
$custom-light: #785385;
$custom-dark: #000000;

JSON

{
  "hex": "#400e55",
  "rgb": {
    "r": 64,
    "g": 14,
    "b": 85
  },
  "hsl": {
    "h": 282.254,
    "s": 71.717,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29008,
    "c": 0.12287,
    "h": 313.4
  },
  "luminance": 0.0206
}

Semantic roles & 50–950 ramp

primary

#400E55

secondary

#4C8F30

accent

#EE396F

background

#F7F4F8

surface

#EDE8EF

border

#C8C4CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400E55

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →